CWE
74
Advisory Published
CVE Published
Updated

CVE-2017-7788

First published: Tue Aug 08 2017(Updated: )

When an "iframe" has a "sandbox" attribute and its content is specified using "srcdoc", that content does not inherit the containing page's Content Security Policy (CSP) as it should unless the sandbox attribute included "allow-same-origin". This vulnerability affects Firefox < 55.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Firefox<55
55
Firefox<55.0

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2017-7788?

    CVE-2017-7788 is considered a moderate severity vulnerability.

  • How do I fix CVE-2017-7788?

    To fix CVE-2017-7788, update Firefox to version 55 or later.

  • What versions of Firefox are affected by CVE-2017-7788?

    CVE-2017-7788 affects Firefox versions before 55.

  • What type of vulnerability is CVE-2017-7788?

    CVE-2017-7788 is a vulnerability related to the handling of iframe sandbox attributes and Content Security Policy.

  • What can happen if CVE-2017-7788 is exploited?

    If exploited, CVE-2017-7788 can allow an iframe to bypass the intended Content Security Policy, possibly leading to security breaches.

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